Russian Meteor Likely an Apollo Asteroid Chunk

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Russian Meteor Likely an Apollo Asteroid Chunk         Before it collided with Earth, the Chelyabinsk space rock was a 10,000 ton meteoroid -- now astronomers think they know where it came from. Read More WATCH VIDEO: Asteroid Wrangling Large asteroids that fly by are filled with precious metals that some hope to mine and bring back to earth. Shark Relative Had Buzz Saw Mouth         The prehistoric Helicoprion was the only animal with teeth arranged in a spiral to cut into its prey. Read More WATCH VIDEO: What Would Happen If Sharks Disappeared? Shark populations worldwide are under enormous pressure due to overfishing. Winter Storms Not Enough to Stop Drought         More winter storms would be welcome after a major drought in the Midwest. Read More WATCH VIDEO: Extreme Storm Surveyor If you'd rather drive towards a hurricane-ravaged coastline - instead of away from one - then you might have a calling as an Extreme Storm Surveyor. Make a Gummy, 3-D Version of Yourself         Just because Valentine's Day is over doesn't mean you can't create a tiny, edible doppelganger of your significant other. Read More WATCH VIDEO: The 3D Printing Revolution is Here! The dawn of a new printer age is here, and it's bringing some major problems along with it.  Follow Discovery News on Facebook! Get your sci-tech headlines all day on Twitter too! Follow us @Discovery_News. At Discovery we value your privacy. If you would like to be removed from Discovery News emails like this, please click here to our subscription center, where you can manage your account. We recently updated our privacy policy. This policy is effective as of 10/30/07. To see new policy click here . Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910 © 2010 Discovery Communications, LLC